JPH0161878U - - Google Patents
Info
- Publication number
- JPH0161878U JPH0161878U JP15633387U JP15633387U JPH0161878U JP H0161878 U JPH0161878 U JP H0161878U JP 15633387 U JP15633387 U JP 15633387U JP 15633387 U JP15633387 U JP 15633387U JP H0161878 U JPH0161878 U JP H0161878U
- Authority
- JP
- Japan
- Prior art keywords
- rotary actuator
- forming member
- pole pieces
- path forming
- magnetic path
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Description
第１図は本考案の一実施例のロータリアクチユ
エータを示す断面図、第２図Ａは同ロータリアク
チユエータの補助磁路形成部材を示す斜視図、第
２図Ｂは同補助磁路形成部材の接続部の形状を示
す模式図、第３図は同ロータリアクチユエータの
無通電自己保持トルクを示す特性図、第４図は従
来のロータリアクチユエータの一例の軸方向空隙
型扁平モータを示す断面図、第５図は従来の他の
ロータリアクチユエータを示す展開図、第６図は
従来のさらにその他のロータリアクチユエータを
示す展開図、第７図は同ロータリアクチユエータ
の無通電自己保持トルクを示す特性図である。
４０……補助磁路形成部材、４１……ポールピ
ース、４２……ブリツジ部、４３……接続部、４
７……ロータ、７０……ステータ、３８１……磁
極部。
Fig. 1 is a sectional view showing a rotary actuator according to an embodiment of the present invention, Fig. 2A is a perspective view showing an auxiliary magnetic path forming member of the rotary actuator, and Fig. 2B is a sectional view of the auxiliary magnetic path. A schematic diagram showing the shape of the connecting part of the forming member, Fig. 3 is a characteristic diagram showing the non-energized self-holding torque of the rotary actuator, and Fig. 4 is an axial gap type flattened example of a conventional rotary actuator. A sectional view showing the motor, FIG. 5 is an exploded view showing another conventional rotary actuator, FIG. 6 is an expanded view showing another conventional rotary actuator, and FIG. 7 is an exploded view of the same rotary actuator. FIG. 3 is a characteristic diagram showing the non-energized self-holding torque of the motor. 40... Auxiliary magnetic path forming member, 41... Pole piece, 42... Bridge portion, 43... Connection portion, 4
7... Rotor, 70... Stator, 381... Magnetic pole portion.
Claims (1)
クチユエータにおいて、ステータに形成される複
数の磁極部に対応させて補助磁路形成部材が配設
されて成り、この補助磁路形成部材が磁極部にそ
れぞれ対応して配設されるポールピースと、ポー
ルピースより薄い厚さに形成され、かつポールピ
ースをリング状に接続するブリツジ部とを備えた
ことを特徴とするロータリアクチユエータ。 In a rotary actuator in which the rotor is formed into a flat shape in the axial direction, an auxiliary magnetic path forming member is disposed corresponding to a plurality of magnetic pole parts formed on the stator, and this auxiliary magnetic path forming member is attached to the magnetic pole part. A rotary actuator characterized by comprising pole pieces disposed in correspondence with each other and a bridge portion formed thinner than the pole pieces and connecting the pole pieces in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987156333U JPH0733585Y2 (en) | 1987-10-13 | 1987-10-13 | Rotary actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987156333U JPH0733585Y2 (en) | 1987-10-13 | 1987-10-13 | Rotary actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161878U true JPH0161878U (en) | 1989-04-20 |
| JPH0733585Y2 JPH0733585Y2 (en) | 1995-07-31 |
Family
ID=31434783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987156333U Expired - Lifetime JPH0733585Y2 (en) | 1987-10-13 | 1987-10-13 | Rotary actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733585Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546867A (en) * | 1978-09-25 | 1980-04-02 | Exxon Research Engineering Co | Step motor and method of assembling same |
-
1987
- 1987-10-13 JP JP1987156333U patent/JPH0733585Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546867A (en) * | 1978-09-25 | 1980-04-02 | Exxon Research Engineering Co | Step motor and method of assembling same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733585Y2 (en) | 1995-07-31 |